@article {PIE138, title = {N budgets and aquatic uptake in the Ipswich River basin, northeastern Massachusetts.}, journal = {Water Resources Research}, volume = {40}, number = {11}, year = {2004}, note = {PD Plum Data}, pages = {1-12}, keywords = {anthropogenic, land use, LTER-PIE, nitrogen, uptake, water quality}, doi = {10.1029/2004WR003172}, author = {Williams, M. and Hopkinson, C. and Rastetter, E. and Vallino, J.} }